4 a 4 z 10 + 4 a 2 z 10 + 12 a 5 z 9 + 21 a 3 z 9 + 9 a z 9 + 16 a 6 z 8 + 19 a 4 z 8 + 11 a 2 z 8 + 8 z 8 + 12 a 7 z 7 − 9 a 5 z 7 − 41 a 3 z 7 − 16 a z 7 + 4 z 7 a − 1 + 5 a 8 z 6 − 24 a 6 z 6 − 51 a 4 z 6 − 40 a 2 z 6 + z 6 a − 2 − 17 z 6 + a 9 z 5 − 15 a 7 z 5 − 7 a 5 z 5 + 27 a 3 z 5 + 10 a z 5 − 8 z 5 a − 1 − 3 a 8 z 4 + 11 a 6 z 4 + 37 a 4 z 4 + 38 a 2 z 4 − 2 z 4 a − 2 + 13 z 4 + 4 a 7 z 3 + a 5 z 3 − 12 a 3 z 3 − 5 a z 3 + 4 z 3 a − 1 − 3 a 6 z 2 − 13 a 4 z 2 − 17 a 2 z 2 + z 2 a − 2 − 6 z 2 + 2 a 5 z + 4 a 3 z + 2 a z + a 6 + 3 a 4 + 3 a 2 + 2 {\displaystyle 4a^{4}z^{10}+4a^{2}z^{10}+12a^{5}z^{9}+21a^{3}z^{9}+9az^{9}+16a^{6}z^{8}+19a^{4}z^{8}+11a^{2}z^{8}+8z^{8}+12a^{7}z^{7}-9a^{5}z^{7}-41a^{3}z^{7}-16az^{7}+4z^{7}a^{-1}+5a^{8}z^{6}-24a^{6}z^{6}-51a^{4}z^{6}-40a^{2}z^{6}+z^{6}a^{-2}-17z^{6}+a^{9}z^{5}-15a^{7}z^{5}-7a^{5}z^{5}+27a^{3}z^{5}+10az^{5}-8z^{5}a^{-1}-3a^{8}z^{4}+11a^{6}z^{4}+37a^{4}z^{4}+38a^{2}z^{4}-2z^{4}a^{-2}+13z^{4}+4a^{7}z^{3}+a^{5}z^{3}-12a^{3}z^{3}-5az^{3}+4z^{3}a^{-1}-3a^{6}z^{2}-13a^{4}z^{2}-17a^{2}z^{2}+z^{2}a^{-2}-6z^{2}+2a^{5}z+4a^{3}z+2az+a^{6}+3a^{4}+3a^{2}+2}
